Xavier Estates Vesting Tentative Map

2 Documents in Project


SCH Number
Lead Agency
Contra Costa County
Document Title
Xavier Estates Vesting Tentative Map
Document Type
MND - Mitigated Negative Declaration
Present Land Use

Document Description
The proposed project consists of the following requests: (1) approval of a Vesting Tentative Map for a 6-lot major subdivision of a 3.62-acre parcel with proposed lot sizes ranging from 23,469 up to 28,414 square feet, with no home development proposed at this time; (2) a Tree Permit to remove 153 code-protected trees, and for earthwork and construction activities in the dripline of one code-protected 45-inch Valley Oak tree that is to be preserved; (3) a Grading Permit to grade approximately 15,000 cubic yards of earth material, for the construction of the subdivision s private roadway, building areas, drainage facilities, and soil remediation consisting of excavation of approximately 5,600 cubic yards of soil contaminated with arsenic, lead, chlordane and dieldrin, and disposal of the soil to an off-site permitted facility; and (4) exceptions to Subdivision Ordinance Title 9 of the County Code in order to forego underground utility requirements and road improvements along Danville Boulevard.

Contact Information
Gary Kupp
Contra Costa County
Lead/Public Agency
30 Muir Road
Martinez, CA 94553

Phone : (925) 674-7799

Castle Companies, Inc.
Project Applicant


Contra Costa
Cross Streets
Camille Ave. @ Danville Blvd.
Total Acres
Parcel #
State Highways
Rancho Romero Elementary; San Ramon Valley High; Del Amigo High
San Ramon Creek

Notice of Completion

Review Period Start
Review Period End
Development Type
Residential (Subdivision )(Units 6, Acres 3.62)
Local Action
Land Division (Subdivision, etc.) Grading Permit
Project Issues
Aesthetics Agriculture and Forestry Resources Air Quality Biological Resources Cultural Resources Drainage/Absorption Geology/Soils Greenhouse Gas Emissions Growth Inducement Hazards & Hazardous Materials Hydrology/Water Quality Land Use/Planning Mineral Resources Noise Sewer Capacity Transportation Tribal Cultural Resources Wetland/Riparian Wildfire Wildlife
Reviewing Agencies
California Air Resources Board (ARB) California Department of Conservation (DOC) California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW) California Department of Forestry and Fire Protection (CAL FIRE) California Department of Parks and Recreation California Department of Transportation, District 4 (DOT) California Department of Water Resources (DWR) California Highway Patrol (CHP) California Native American Heritage Commission (NAHC) California Natural Resources Agency California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB) Department of Toxic Substances Control Office of Historic Preservation State Water Resources Control Board, Division of Drinking Water


Environmental Document
Recirculated_MND_February2021   PDF 37210 K Recirculated_NOI_February2021   PDF 2703 K SCH Summary Form   PDF 1004 K
NOC_February2021   PDF 1439 K

Disclaimer: The Governor’s Office of Planning and Research (OPR) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613. For more information, please visit OPR’s Accessibility Site.

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